Inside the four walls of your network, access to the AdminService is managed by RBAC. However, there are a few options when you expose the AdminService through the Cloud Management Gateway which you should consider.
Are you a cheap son of a gun like me? Don't want to spend the $30 on an encryption certificate for your lab instance of Cloud Management Gateway? Then this post is for you! Learn how to create a FREE SSL certificate and use it with Cloud Management Gateway.